CursorLoader를 만들 때 "swapCursor (Cursor) is undefined"오류가 발생합니다. android.support.v4 (app.LoaderManager, app.LoaderManager.Loader, Content.CursorLoader, content.Loader)를 가져 왔습니다. 이 문제를 해결하기 위해 내가 무엇을 할 수 있는지 잘 모릅니다. 제발 조언.swapCursor 정의되지 않은 오류
로더 : 당신의 onCreate()
방법에서
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.app.ListFragment;
import android.support.v4.widget.CursorAdapter;
public class LoginList extends FragmentActivity implements OnClickListener,
AdapterView.OnItemClickListener, LoaderManager.LoaderCallbacks<Cursor> {
private ListView loginList;
private Button webLogin;
private SimpleCursorAdapter adapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.login_listview);
loginList = (ListView)findViewById(R.id.loginlist);
loginList.setOnItemClickListener(this);
webLogin = (Button)findViewById(R.id.button3);
webLogin.setOnClickListener(this);
//Specify fileds to display in the list
String[] from = new String[] { ListProvider.COLUMN_NAME_SITE };
//Bind fields to listview
int[] to = new int[] {R.id.loginlist};
// Create CursorAdapter and set it to display
adapter = new SimpleCursorAdapter(this, R.layout.login_listview, null, from, to);
loginList.setAdapter(adapter);
getSupportLoaderManager().initLoader(0, null, this);
}
/*@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
setEmptyText(getResources().getString(string.app_name));
rwgisterForContextMenu(getListView());
setHasOptionsMenu(true);
} */
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "Selected ID :" + arg2, Toast.LENGTH_SHORT).show();
Intent updateDeleteLoginInfo = new Intent (this, UpdateDeleteLoginList.class);
Cursor clickedObject = (Cursor)loginList.getItemAtPosition(arg2);
Bundle loginBundle = new Bundle();
loginBundle.putString("clickedWebSite",((LoginDetails) clickedObject).getsName());
loginBundle.putString("clickedWebAddress",((LoginDetails) clickedObject).getwUrl());
loginBundle.putString("clickedUserName",((LoginDetails) clickedObject).getuName());
loginBundle.putString("clickedPassWord",((LoginDetails) clickedObject).getpWord());
loginBundle.putString("clickedNotes",((LoginDetails) clickedObject).getlNotes());
updateDeleteLoginInfo.putExtras(loginBundle);
startActivityForResult(updateDeleteLoginInfo, 0);
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent webLoginIntent = new Intent (this, LoginPlusActivity.class);
startActivity(webLoginIntent);
}
@Override
public Loader<Cursor> onCreateLoader(int ignored, final Bundle args) {
return new CursorLoader(this, ListProvider.CONTENT_URI, null, null, null, null);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
adapter.swapCursor(cursor); /* swapCursor error: The method swapCursor(Cursor) is undefined for the type SimpleCursorAdapter */
}
@Override
public void onLoaderReset (Loader<Cursor> loader) {
adapter.swapCursor(null); /* swapCursor error: The method swapCursor(Cursor) is undefined for the type SimpleCursorAdapter */
}
}
당신이'수입 android.support.v4.widget.CursorAdapter'가 아닌'android.widget.CursorAdapter' –
@vmironov 수입하지만 에러 증설 아마 아직도 말을 의미 – user1165694
무엇 vmironov exsist있다을 사용하는 것입니다 'android.widget.SimpleCursorAdapter' 대신'android.support.v4.widget.SimpleCursorAdapter'를 사용하십시오. 다른 방법으로'changeCursor'는 모든 릴리즈에서 사용할 수 있지만 이전 커서를 닫는 단점이 있습니다 (로더 코드가 실패 할 수 있습니다) – Delyan